5 times.
The first time the two towers will flash will be 6:00:12.
1st tower flashes every 4 sec, second - every 6. The least common multiple is 12. There are 5 12 second intervals in 1 minute.
Jasmine T.
asked • 06/17/17they flash together at 6am how many times in the next minute will they flash together?
a lighthouse flashes its light every 4 seconds a second lighthouse flashes its light every 6 seconds
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